Plant Signaling: Dynamic Properties


In recent years, rapid progress has been made in elucidating the molecular events underlying perception of extracellular signals and their transduction to regulate specific responses. These advances in understanding make it possible to consider the emergent behavior of signaling cascades. In each signaling system, the configuration and dynamics of the underlying molecular interactions deliver specific properties linking the signal to its response. For example there could be a graded response to the level of signal or a tight threshold below which there is no response, and above which there is a maximal response. It is these higher order properties that are functionally important for the success of the organism, and therefore they are the level at which natural selection has acted to shape each signaling system. It is now becoming possible to investigate these higher order properties and to understand how apparently different molecular level events can nonetheless produce signaling systems with similar properties. The incorporation of mathematical and computational modeling, and the adoption synthetic biology approaches are becoming important tools in this endeavor. To capture this exciting new synthesis, we propose a symposium focusing on the relationship between molecular level events and their higher order behavior, comparing the properties of signaling systems in diverse species, including non-plant examples. The symposium will be structured around common signaling features, such as switching between on and off states, the control of specificity, robustness in an unstable environment, and modulation of the sensitivity of the system by its activity or by external factors.
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WEDNESDAY, FEBRUARY 5

16:00—20:00 Arrival and Registration

THURSDAY, FEBRUARY 6

07:00—08:00 Breakfast

08:00—11:00 Signal Sensitivity and its Modulation by the Environment I
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session will address the question, "How is sensitivity achieved and how can it be modulated according to the prevailing conditions?"

Tetsuya Higashiyama, Nagoya University, Japan
Live-Cell Analysis of Signal Sensing from Pollen Tube Guidance to Early Embryogenesis

Giles Oldroyd, John Innes Centre, UK
Signaling Pathways that Establish Symbiotic Interactions in Plants

James C. Locke, University of Cambridge, UK
Stochastic Signal Encoding Strategies in Single Cells

Cordelia Bolle, Biozentrum der LMU München, Germany
Phytochrome A in High and Very Low Fluence Light Signaling

Short Talk(s) Chosen from Abstracts

09:40—10:00 Coffee Break

11:00—13:00 Poster Setup

13:00—22:00 Poster Viewing

On Own for Lunch and Recreation

16:30—17:00 Coffee Available

17:00—19:00 Signal Sensitivity and its Modulation by the Environment II
Registered attendees can view abstracts starting on 01/05/2014

NOTE: The session addresses the question, "How is sensitivity achieved and how can it be modulated according to the prevailing conditions?" In this part, the emphasis is on modulation of sensitivity.

Neil Dalchau, Microsoft Research, UK
Interactions between Metabolism and the Circadian Clock

Ottoline Leyser, University of Cambridge, UK
Modulation of the Sensitivity of the Bud Activation Switch by Nutrient Availability

Xinnian Dong, Duke University, USA
Systemic Acquired Resistance: Modulation of the Sensitivity of the Plant Immune Response

Short Talk Chosen from Abstracts

19:00—20:00 Social Hour w/ Lite Bites

19:30—22:00 Poster Session 1

FRIDAY, FEBRUARY 7

07:00—08:00 Breakfast

08:00—11:00 Signal-Regulated On-Off Switches, their Reversibility and Resetting I
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can major signaling decisions be made without error, and how can they be reversed?"

Sibum Sung, University of Texas Austin, USA
Vernalization: Epigenetic Memory of Winter

Caren Chang, University of Maryland, USA
The Dynamic Properties of the Ethylene Signaling Pathway

Sarah M. Assmann, Pennsylvania State University, USA
Dynamic Modeling of Stomatal Aperture Regulation

Miyo Terao Morita, Nara Institute of Science and Technology, Japan
Exploration of Genes Involved in Gravity Perception and Signaling in Gravitropism of Arabidopsis

Short Talk(s) Chosen from Abstracts

09:20—09:40 Coffee Break

11:00—13:00 Poster Setup

13:00—22:00 Poster Viewing

On Own for Lunch and Recreation

16:30—17:00 Coffee Available

17:00—19:00 Signal-Regulated On-Off Switches, their Reversibility and Resetting II
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can major signaling decisions be made without error, and how can they be reversed?"

Paul Rainey, Massey University, New Zealand
Stochastic Switching and the Evolution of Gene Regulation

Christa Testerink, University of Amsterdam, Netherlands
Phosphatidic Acid-Regulated Switches

Junko Kyozuka, University of Tokyo, Japan
Switching Developmental Phase in the Axillary Buds

Short Talk Chosen from Abstracts

19:00—20:00 Social Hour w/ Lite Bites

19:30—22:00 Poster Session 2

SATURDAY, FEBRUARY 8

07:00—08:00 Breakfast

08:00—11:00 Signaling Robustness in a Noisy Environment I
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can signaling systems operate stably under noisy and fluctuating environmental conditions?"

Andrew J. Millar, University of Edinburgh, UK
The Daily Grind for Non-Linearities

Tzyy-Jen Chiou, Academia Sinica, Taiwan
Systemic Signaling for Phosphate Homeostasis

Cynthia Weinig, University of Wyoming, USA
Characterizing the Genetic Architecture and Adaptive Significance of the Circadian Clock in Seasonal Settings

Richard Morris, John Innes Centre, UK
Buffering Noise in the Control of Flowering Time

Short Talk(s) Chosen from Abstracts

09:20—09:40 Coffee Break

11:00—13:00 Poster Setup

13:00—22:00 Poster Viewing

On Own for Lunch and Recreation

16:30—17:00 Coffee Available

17:00—19:00 Signaling Robustness in a Noisy Environment II
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can signaling systems operate stably under noisy and fluctuating environmental conditions?"

Ben Scheres, Wageningen University Research, Netherlands
Homeostasis of Root Meristem Size

Elliot M. Meyerowitz, California Institute of Technology, USA
Robustness in Cytokinin Signaling at the Shoot Apical Meristem

Jan Traas, ENS Lyon, France
Robustness in Auxin Signaling at the Shoot Apical Meristem

Short Talk Chosen from Abstracts

19:00—20:00 Social Hour w/ Lite Bites

19:30—22:00 Poster Session 3


SUNDAY, FEBRUARY 9

07:00—08:00 Breakfast

08:00—11:00 Specificity and Integration in Signal Transduction I
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can signaling systems respond with high specificity to particular signals, while allowing the integration information from multiple signals?"

Michael Hothorn, Friedrich Miescher Laboratory of the Max Planck Society, Germany
The Twists and Turns of Plant Membrane Signaling

Pamela C. Ronald, University of California, Davis, USA
Sulfation Controls Specificity of the Rice XA21-Mediated Immune Response

June B. Nasrallah, Cornell University, USA
The S-Locus Receptor Kinase: Integration of Pollen Recognition and Pistil Development

Ian T. Baldwin, Max Planck Institute for Chemical Ecology, Germany
How Nicotiana attenuata Deals with Biotic Stress

Short Talk(s) Chosen from Abstracts

09:20—09:40 Coffee Break

On Own for Lunch and Recreation

16:30—17:00 Coffee Available

17:00—19:00 Specificity and Integration in Signal Transduction II
Registered attendees can view abstracts starting on 01/05/2014

NOTE: This session addresses the question, "How can signaling systems respond with high specificity to particular signals, while allowing the integration information from multiple signals?"

Mark A. Estelle, University of California, San Diego, USA
Specificity of the Auxin Response and the Control of Hypocotyl Elongation

Keiko U. Torii, University of Washington, USA
RLK Specificity and Integration in Stomatal Patterning

Yoshikatsu Matsubayashi, National Institute for Basic Biology, Japan
Importance of Post-Translational Modifications in Peptide Signaling in Plants

Short Talk Chosen from Abstracts

19:00—20:00 Social Hour w/ Lite Bites

20:00—23:00 Entertainment

MONDAY, FEBRUARY 10

Departure

30 Nov - 10 Feb 2014

United States of America
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